US Masters Tournament, theˌUS ˈMasters ˌTournament, the 
an important US golf competition
an important US golf competition- Rockefeller, John D.
- Rockefeller, Nelson
- rocker
- rockery
- rocket
- rocket science
- rocket scientist
- rock face
- rockfall
- rock garden
- rock-hard
- Rockies
- rocking chair
- rocking horse
- rock music
- Rockne, Knute
- rock 'n' roll
- Rock of Gibraltar
- rock pool
- rock salt
- rock-solid
- Rockwell, Norman
- Rocky
- rocky
- Rocky and Bullwinkle